diff --git a/app/src/components/keycloak.js b/app/src/components/keycloak.js
index 76e038a..d4b5283 100644
--- a/app/src/components/keycloak.js
+++ b/app/src/components/keycloak.js
@@ -6,10 +6,10 @@ module.exports = new Keycloak({}, {
   'confidential-port': 0,
   clientId: config.has('keycloak.clientId') ? config.get('keycloak.clientId') : undefined,
   'policy-enforcer': {},
-  realm: config.get('keycloak.realm'),
+  realm: config.has('keycloak.realm') ? config.get('keycloak.realm') : undefined,
   realmPublicKey: config.has('keycloak.publicKey') ? config.get('keycloak.publicKey') : undefined,
   secret: config.has('keycloak.clientSecret') ? config.get('keycloak.clientSecret') : undefined,
-  serverUrl: config.get('keycloak.serverUrl'),
+  serverUrl: config.has('keycloak.serverUrl') ? config.get('keycloak.serverUrl') : undefined,
   'ssl-required': 'external',
   'use-resource-role-mappings': false,
   'verify-token-audience': true